v4.2.0

• Fix issue caused by or operation in isinstance (#475)
• Fix issue caused by properties of not any type (#477)
• Support merge when renaming a command (#474)
• Add auto-gen aaz cmds documentation (#478)
• typespec: update tsp compiler to 0.67.0 (#468)
• typespec: fix clientRequestIdName in header param and add uuid format parsing (#467)
• typespec: add support for any type of cmd schema (#469)
• typespec: adjust ref class name to camel case (#472)